Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752189AbdCBMGI (ORCPT ); Thu, 2 Mar 2017 07:06:08 -0500 Received: from mail-lf0-f67.google.com ([209.85.215.67]:36253 "EHLO mail-lf0-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751155AbdCBMGE (ORCPT ); Thu, 2 Mar 2017 07:06:04 -0500 MIME-Version: 1.0 In-Reply-To: References: <1488448146-29452-1-git-send-email-singhalsimran0@gmail.com> From: SIMRAN SINGHAL Date: Thu, 2 Mar 2017 16:41:03 +0530 Message-ID: Subject: Re: [Outreachy kernel] [PATCH 1/6] staging: wlan-ng: Fix sparse warning of restricted __le16 To: Julia Lawall Cc: Greg KH , devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org, sergio.paracuellos@gmail.com, Juliana Rodrigues , thomas.petazzoni@free-electrons.com, noralf@tronnes.org, outreachy-kernel@googlegroups.com Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 7308 Lines: 147 On Thu, Mar 2, 2017 at 3:20 PM, Julia Lawall wrote: > > > On Thu, 2 Mar 2017, Julia Lawall wrote: > >> >> >> On Thu, 2 Mar 2017, simran singhal wrote: >> >> > This patch fixes the following sparse warning: >> > warning: cast to restricted __le16 >> >> You commit message should not say just fix X. What have you done to carry >> out the fix and why is this the correct approach? > > This comment applies to all of the patches in the series. > > julia > The changes and sparse warnings for them seems reasonable to me as after doing the change sparse was not showing error like cast to __le16 or something like this. Also it compiled perfectly. >> >> julia >> >> > >> > Signed-off-by: simran singhal >> > --- >> > drivers/staging/wlan-ng/prism2sta.c | 51 ++++++++++++++++++------------------- >> > 1 file changed, 25 insertions(+), 26 deletions(-) >> > >> > diff --git a/drivers/staging/wlan-ng/prism2sta.c b/drivers/staging/wlan-ng/prism2sta.c >> > index 984804b..82d3a70 100644 >> > --- a/drivers/staging/wlan-ng/prism2sta.c >> > +++ b/drivers/staging/wlan-ng/prism2sta.c >> > @@ -372,10 +372,9 @@ static int prism2sta_mlmerequest(struct wlandevice *wlandev, >> > qualmsg->noise.status = >> > P80211ENUM_msgitem_status_data_ok; >> > >> > - qualmsg->link.data = le16_to_cpu(hw->qual.cq_curr_bss); >> > - qualmsg->level.data = >> > - le16_to_cpu(hw->qual.asl_curr_bss); >> > - qualmsg->noise.data = le16_to_cpu(hw->qual.anl_curr_fc); >> > + qualmsg->link.data = hw->qual.cq_curr_bss; >> > + qualmsg->level.data = hw->qual.asl_curr_bss; >> > + qualmsg->noise.data = hw->qual.anl_curr_fc; >> > qualmsg->txrate.data = hw->txrate; >> > >> > break; >> > @@ -603,10 +602,10 @@ static int prism2sta_getcardinfo(struct wlandevice *wlandev) >> > } >> > >> > /* get all the nic id fields in host byte order */ >> > - hw->ident_nic.id = le16_to_cpu(hw->ident_nic.id); >> > - hw->ident_nic.variant = le16_to_cpu(hw->ident_nic.variant); >> > - hw->ident_nic.major = le16_to_cpu(hw->ident_nic.major); >> > - hw->ident_nic.minor = le16_to_cpu(hw->ident_nic.minor); >> > + hw->ident_nic.id = hw->ident_nic.id; >> > + hw->ident_nic.variant = hw->ident_nic.variant; >> > + hw->ident_nic.major = hw->ident_nic.major; >> > + hw->ident_nic.minor = hw->ident_nic.minor; >> > >> > netdev_info(wlandev->netdev, "ident: nic h/w: id=0x%02x %d.%d.%d\n", >> > hw->ident_nic.id, hw->ident_nic.major, >> > @@ -622,10 +621,10 @@ static int prism2sta_getcardinfo(struct wlandevice *wlandev) >> > } >> > >> > /* get all the private fw id fields in host byte order */ >> > - hw->ident_pri_fw.id = le16_to_cpu(hw->ident_pri_fw.id); >> > - hw->ident_pri_fw.variant = le16_to_cpu(hw->ident_pri_fw.variant); >> > - hw->ident_pri_fw.major = le16_to_cpu(hw->ident_pri_fw.major); >> > - hw->ident_pri_fw.minor = le16_to_cpu(hw->ident_pri_fw.minor); >> > + hw->ident_pri_fw.id = hw->ident_pri_fw.id; >> > + hw->ident_pri_fw.variant = hw->ident_pri_fw.variant; >> > + hw->ident_pri_fw.major = hw->ident_pri_fw.major; >> > + hw->ident_pri_fw.minor = hw->ident_pri_fw.minor; >> > >> > netdev_info(wlandev->netdev, "ident: pri f/w: id=0x%02x %d.%d.%d\n", >> > hw->ident_pri_fw.id, hw->ident_pri_fw.major, >> > @@ -648,10 +647,10 @@ static int prism2sta_getcardinfo(struct wlandevice *wlandev) >> > } >> > >> > /* get all the station fw id fields in host byte order */ >> > - hw->ident_sta_fw.id = le16_to_cpu(hw->ident_sta_fw.id); >> > - hw->ident_sta_fw.variant = le16_to_cpu(hw->ident_sta_fw.variant); >> > - hw->ident_sta_fw.major = le16_to_cpu(hw->ident_sta_fw.major); >> > - hw->ident_sta_fw.minor = le16_to_cpu(hw->ident_sta_fw.minor); >> > + hw->ident_sta_fw.id = hw->ident_sta_fw.id; >> > + hw->ident_sta_fw.variant = hw->ident_sta_fw.variant; >> > + hw->ident_sta_fw.major = hw->ident_sta_fw.major; >> > + hw->ident_sta_fw.minor = hw->ident_sta_fw.minor; >> > >> > /* strip out the 'special' variant bits */ >> > hw->mm_mods = hw->ident_sta_fw.variant & GENMASK(15, 14); >> > @@ -683,11 +682,11 @@ static int prism2sta_getcardinfo(struct wlandevice *wlandev) >> > /* get all the Compatibility range, modem interface supplier >> > * fields in byte order >> > */ >> > - hw->cap_sup_mfi.role = le16_to_cpu(hw->cap_sup_mfi.role); >> > - hw->cap_sup_mfi.id = le16_to_cpu(hw->cap_sup_mfi.id); >> > - hw->cap_sup_mfi.variant = le16_to_cpu(hw->cap_sup_mfi.variant); >> > - hw->cap_sup_mfi.bottom = le16_to_cpu(hw->cap_sup_mfi.bottom); >> > - hw->cap_sup_mfi.top = le16_to_cpu(hw->cap_sup_mfi.top); >> > + hw->cap_sup_mfi.role = hw->cap_sup_mfi.role; >> > + hw->cap_sup_mfi.id = hw->cap_sup_mfi.id; >> > + hw->cap_sup_mfi.variant = hw->cap_sup_mfi.variant; >> > + hw->cap_sup_mfi.bottom = hw->cap_sup_mfi.bottom; >> > + hw->cap_sup_mfi.top = hw->cap_sup_mfi.top; >> > >> > netdev_info(wlandev->netdev, >> > "MFI:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n", >> > @@ -707,11 +706,11 @@ static int prism2sta_getcardinfo(struct wlandevice *wlandev) >> > /* get all the Compatibility range, controller interface supplier >> > * fields in byte order >> > */ >> > - hw->cap_sup_cfi.role = le16_to_cpu(hw->cap_sup_cfi.role); >> > - hw->cap_sup_cfi.id = le16_to_cpu(hw->cap_sup_cfi.id); >> > - hw->cap_sup_cfi.variant = le16_to_cpu(hw->cap_sup_cfi.variant); >> > - hw->cap_sup_cfi.bottom = le16_to_cpu(hw->cap_sup_cfi.bottom); >> > - hw->cap_sup_cfi.top = le16_to_cpu(hw->cap_sup_cfi.top); >> > + hw->cap_sup_cfi.role = hw->cap_sup_cfi.role; >> > + hw->cap_sup_cfi.id = hw->cap_sup_cfi.id; >> > + hw->cap_sup_cfi.variant = hw->cap_sup_cfi.variant; >> > + hw->cap_sup_cfi.bottom = hw->cap_sup_cfi.bottom; >> > + hw->cap_sup_cfi.top = hw->cap_sup_cfi.top; >> > >> > netdev_info(wlandev->netdev, >> > "CFI:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n", >> > -- >> > 2.7.4 >> > >> > -- >> > You received this message because you are subscribed to the Google Groups "outreachy-kernel" group. >> > To unsubscribe from this group and stop receiving emails from it, send an email to outreachy-kernel+unsubscribe@googlegroups.com. >> > To post to this group, send email to outreachy-kernel@googlegroups.com. >> > To view this discussion on the web visit https://groups.google.com/d/msgid/outreachy-kernel/1488448146-29452-1-git-send-email-singhalsimran0%40gmail.com. >> > For more options, visit https://groups.google.com/d/optout. >> > >> >> -- >> You received this message because you are subscribed to the Google Groups "outreachy-kernel" group. >> To unsubscribe from this group and stop receiving emails from it, send an email to outreachy-kernel+unsubscribe@googlegroups.com. >> To post to this group, send email to outreachy-kernel@googlegroups.com. >> To view this discussion on the web visit https://groups.google.com/d/msgid/outreachy-kernel/alpine.DEB.2.20.1703021047350.3414%40hadrien. >> For more options, visit https://groups.google.com/d/optout. >>